Redirect to static file for /version

.dir-locals.el

-((haskell-mode . ((haskell-indent-spaces . 4)
-                  (haskell-process-use-ghci . t)
-                  (haskell-process-args-cabal-repl . ("-ferror-spans -fno-diagnostics-show-caret -fshow-loaded-modules"))
-                  (haskell-process-args-stack-ghci . ("--ghc-options=-ferror-spans" "--ghc-options=-fno-diagnostics-show-caret" "--ghc-options=-fshow-loaded-modules"))
-                  ))
+((haskell-mode
+  . ((haskell-indent-spaces . 4)
+     (haskell-process-type . cabal-new-repl)
+     (haskell-process-wrapper-function
+      . (lambda (argv) (append (list "nix-shell" "--command")
+                          (list (mapconcat 'identity argv " ")))))
+     ))
  (shakespeare-hamlet-mode . ((electric-indent-mode . nil)))
  (hamlet-mode . ((hamlet/basic-offset . 4)
                  (haskell-process-use-ghci . t))))

.gitattributes

-version.txt export-subst
+static/version.txt export-subst

bookme.nix

 { mkDerivation, aeson, base, blaze-markup, bytestring
 , case-insensitive, classy-prelude, classy-prelude-yesod
 , containers, data-default, directory, exceptions, fast-logger
-, file-embed, foreign-store, gitrev, gogol, gogol-apps-calendar
+, file-embed, foreign-store, gogol, gogol-apps-calendar
 , hjsmin, hpack, hspec, http-client-tls, http-conduit, http-types
 , lens, monad-control, monad-logger, shakespeare, sorted-list
 , stdenv, template-haskell, text, time, transformers, tz
@@ -17,7 +17,7 @@ mkDerivation {
   libraryHaskellDepends = [
     aeson base blaze-markup bytestring case-insensitive classy-prelude
     classy-prelude-yesod containers data-default directory exceptions
-    fast-logger file-embed foreign-store gitrev gogol
+    fast-logger file-embed foreign-store gogol
     gogol-apps-calendar hjsmin http-client-tls http-conduit http-types
     lens monad-control monad-logger shakespeare sorted-list
     template-haskell text time transformers tz unordered-containers
@@ -28,7 +28,7 @@ mkDerivation {
   executableHaskellDepends = [
     aeson base blaze-markup bytestring case-insensitive classy-prelude
     classy-prelude-yesod containers data-default directory exceptions
-    fast-logger file-embed foreign-store gitrev gogol
+    fast-logger file-embed foreign-store gogol
     gogol-apps-calendar hjsmin http-client-tls http-conduit http-types
     lens monad-control monad-logger shakespeare sorted-list
     template-haskell text time transformers tz unordered-containers
@@ -38,7 +38,7 @@ mkDerivation {
   testHaskellDepends = [
     aeson base blaze-markup bytestring case-insensitive classy-prelude
     classy-prelude-yesod containers data-default directory exceptions
-    fast-logger file-embed foreign-store gitrev gogol
+    fast-logger file-embed foreign-store gogol
     gogol-apps-calendar hjsmin hspec http-client-tls http-conduit
     http-types lens monad-control monad-logger shakespeare sorted-list
     template-haskell text time transformers tz unordered-containers

package.yaml

@@ -20,7 +20,6 @@ dependencies:
 - fast-logger            >=2.2      && <2.5
 - file-embed             >=0.0.10.1 && <0.1
 - foreign-store          >=0.2      && <0.3
-- gitrev                 >=1.3.1    && <1.4
 - gogol                  >=0.3.0    && <0.4
 - gogol-apps-calendar    >=0.3.0    && <0.4
 - hjsmin                 >=0.1      && <0.3

shell.nix

-{ nixpkgs ? import <nixpkgs> {}
-}:
-(import ./default.nix { inherit nixpkgs; }).env
+(import ./default.nix).env

src/Handlers.hs

@@ -146,13 +146,6 @@ getRobotsR :: Handler TypedContent
 getRobotsR =
   return $ TypedContent typePlain $ toContent $(embedFile "config/robots.txt")
 
-getVersionR :: Handler Text
-getVersionR
-  -- req <- reqWaiRequest <$> getRequest
-  -- let hs = foldMap (\(h,v) -> tshow h <> ": " <> tshow v <> "\n") $ Network.Wai.requestHeaders req
- = do
-  return $
-    $(gitHash) <>
-    if $(gitDirty)
-      then "+"
-      else ""
+getVersionR :: Handler TypedContent
+getVersionR =
+  redirect $ StaticR version_txt